Exposure
ID
GRAVI.2025-10-05T05:41:33.820_1
Header ID
GRAVI.2025-10-05T05:41:33.820
Date updated
2025-10-05 05:51:01 UTC+0000
Release date
2026-10-05 05:51:01 UTC+0000
UTC Start
2025-10-05 05:41:33.820
UTC End
2025-10-05 05:44:13.820
MJD Start
60953.23719699
MJD End
60953.23904884185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0045850000000000005
Ambient temperature (°C)
11.01
Seeing (arcsec)
0.53
Observation
ID
70699
Category
science
Program ID
116.28ZD.003
Program Title
DO SOME HOT SUBDWARF BINARIES DESCEND FROM HIERARCHICAL TRIPLES? NEW INSIGHTS FROM INTERFEROMETRY
Program Type
Normal
PI / COI
DESHMUKH / GEIER / SANA / DAWSON / DORSCH / HEBER / KUPFER
Target
ID
52459
Name
CPD-71__172
RA
43.38563
DEC
-71.3751
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 44.2840 44.2210 25.1000 25.7000
U1-U3 83.8080 83.6790 31.9000 32.4000
U1-U4 124.5330 124.4020 55.8830 56.5360
U2-U3 40.1630 40.1000 39.3000 39.8000
U2-U4 89.3840 89.3720 70.5490 71.2400
U3-U4 58.8820 58.9680 91.2970 91.9880
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZD.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60953.23719699
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CPD-71 172
HIERARCH ESO INS SOBJ NAME CPD-71__172
RA 43.38563
DEC -71.3751
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 44.284
HIERARCH ESO ISS PBL12 END 44.221
HIERARCH ESO ISS PBLA12 START 25.1
HIERARCH ESO ISS PBLA12 END 25.7
HIERARCH ESO ISS PBL13 START 83.808
HIERARCH ESO ISS PBL13 END 83.679
HIERARCH ESO ISS PBLA13 START 31.9
HIERARCH ESO ISS PBLA13 END 32.4
HIERARCH ESO ISS PBL14 START 124.533
HIERARCH ESO ISS PBL14 END 124.402
HIERARCH ESO ISS PBLA14 START 55.883
HIERARCH ESO ISS PBLA14 END 56.536
HIERARCH ESO ISS PBL23 START 40.163
HIERARCH ESO ISS PBL23 END 40.1
HIERARCH ESO ISS PBLA23 START 39.3
HIERARCH ESO ISS PBLA23 END 39.8
HIERARCH ESO ISS PBL24 START 89.384
HIERARCH ESO ISS PBL24 END 89.372
HIERARCH ESO ISS PBLA24 START 70.549
HIERARCH ESO ISS PBLA24 END 71.24
HIERARCH ESO ISS PBL34 START 58.882
HIERARCH ESO ISS PBL34 END 58.968
HIERARCH ESO ISS PBLA34 START 91.297
HIERARCH ESO ISS PBLA34 END 91.988
HIERARCH ESO ISS AMBI TAU0 START 0.004368
HIERARCH ESO ISS AMBI TAU0 END 0.004802
HIERARCH ESO ISS AMBI TEMP 11.01
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.52